Product Description

We have researched and developed QT**-QTZ**0 series of Tower Crane with advanced technology and abundant xxxxx series of cranes are the lever jig,trolley-jib, and upper slewing xxxxx structure design is advanced and xxxxx three forms of lifting,slewing,jibbing and its controlling system are primarlili xxxxx three forms of ATZ**5&qtz**0 realize full-frequency modulation in combination with frequency conversion motor.